/Engine/Source/Runtime/Engine/Classes/Particles/Velocity/ParticleModuleVelocity.h
class UParticleModuleVelocity : public [UParticleModuleVelocityBase](API\Runtime\Engine\Particles\Velocity\UParticleModuleVelocityBase)
FRawDistributio...
StartVelocity
The velocity to apply to a particle when it is spawned.
FRawDistributio...
StartVelocityRadial
The velocity to apply to a particle along its radial direction.